mysql partition by month

do.sql

ALTER TABLE dashboard.search_stats_hourly_2018
PARTITION BY RANGE ( MONTH(date_hour) ) (
PARTITION p01 VALUES LESS THAN (2),
PARTITION p02 VALUES LESS THAN (3),
PARTITION p03 VALUES LESS THAN (4),
PARTITION p04 VALUES LESS THAN (5),
PARTITION p05 VALUES LESS THAN (6),
PARTITION p06 VALUES LESS THAN (7),
PARTITION p07 VALUES LESS THAN (8),
PARTITION p08 VALUES LESS THAN (9),
PARTITION p09 VALUES LESS THAN (10),
PARTITION p10 VALUES LESS THAN (11),
PARTITION p11 VALUES LESS THAN (12),
PARTITION p12 VALUES LESS THAN (13)
);